The United States government discovers that someone has been giving information about the United State's most valuable information to North Korea. North Korea then strikes at Chicago and New York using huge groups of men and explosives. A three-man crew of U.S. Marines (Sgt. James "Johnny" Moore, Sgt. Daniel "Danny" Shane, and Cedric "Killer" Ryan) join the war of corruption, mayhem, and death between the United States and North Korea.